Home / 129,180.32-193,732.81-50,275.79

Finding the Fourth Proportional to 129,180.32, 193,732.81 and 50,275.79

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Solution

The fourth proportional to 129,180.32, 193,732.81 and 50,275.79 is: 75,399.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,180.32 : 193,732.81 = 50,275.79 : x
  2. Step 2: Convert to fraction form
    129,180.32/193,732.81 = 50,275.79/x
  3. Step 3: Cross multiply
    129,180.32x = 193,732.81 × 50,275.79
  4. Step 4: Simplify right side
    129,180.32x = 9,740,068,977.32
  5. Step 5: Solve for x
    x = 9,740,068,977.32/129,180.32
  6. Step 6: Final answer
    x = 75,399.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.